Bag feeding mechanism

Abstract

The utility model belongs to the technical field of packaging mechanical equipment, and relates to a bag feeding mechanism which comprises a bag feeding swing arm, the upper portion of the bag feeding swing arm is rotationally connected with a rack, and the two ends of a mounting rod on the lower portion of the bag feeding swing arm are each provided with a clamping jaw assembly. The clamping jaw assembly comprises a clamping jaw mounting seat, a driving gear and a driven gear are rotationally arranged on the clamping jaw mounting seat, the driving gear is meshed with the driven gear, the driving gear drives the front bag clamping jaw to rotate synchronously, the driven gear drives the rear bag clamping jaw to rotate synchronously, and the front bag clamping jaw and the rear bag clamping jaw are matched with each other to clamp a bag; and the driving gear is driven by a driving component mounted on the clamping jaw mounting seat to operate. The bag feeding mechanism is reasonable and ingenious in structure, a bag can be reliably clamped through the front bag clamping claw and the rear bag clamping claw which are matched with each other, the front bag clamping claw and the rear bag clamping claw are matched with each other, and action is reliable and accurate; and the swing amplitude of the swing arm can be effectively reduced by matching with the bag feeding swing arm with a special structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging machinery and equipment and relates to a bagging mechanism. Background Art

[0002] In the existing technology, the fully automatic bagging method can be divided into two types according to the feeding direction of the empty bag: one is horizontal feeding, that is, the feeding direction of the empty bag to the bag clamping device is consistent with the output direction of the full bag, and the bag feeding trajectory is a straight line. The other is longitudinal feeding, that is, the feeding direction of the empty bag to the bag clamping device is 90 degrees to the output direction of the full bag, and the bag feeding trajectory is an arc. The longitudinal bagging manipulator can be divided into double-arm suction cup opening type, double-arm insertion expansion type and double-arm clamp with insert knife opening type according to the structural form. The above three types are to open the bag and then put it on the bag clamping device. In the working process, the main problem is that the bag clamping action is unreliable and cannot ensure the accurate bagging operation of the bag. Summary of the invention

[0003] In view of the above-mentioned problems, the utility model provides a bag loading mechanism, which has a reasonable and ingenious structure. The bag can be reliably clamped by the front bag clamping claws and the rear bag clamping claws that cooperate with each other. The front bag clamping claws and the rear bag clamping claws cooperate with each other, and the action is reliable and accurate. The bag loading swing arm with a special structure can effectively reduce the swing amplitude of the swing arm.

[0004] According to the technical solution of the utility model: a bag loading mechanism, characterized in that: it includes a bag loading swing arm, the upper part of the bag loading swing arm is rotatably connected to the frame, and a group of clamping claw assemblies are respectively installed at both ends of the lower mounting rod of the bag loading swing arm;

[0005] The clamping jaw assembly comprises a clamping jaw mounting seat, on which a driving gear and a driven gear are rotatably arranged, the driving gear meshes with the driven gear, the driving gear drives the front bag clamping jaw to rotate synchronously, and the driven gear drives the rear bag clamping jaw to rotate synchronously, and the front bag clamping jaw and the rear bag clamping jaw cooperate with each other to realize the clamping of the bag;

[0006] The driving gear is driven to operate by a driving component installed on the clamping jaw mounting seat.

[0007] As a further improvement of the utility model, the clamping jaw mounting seat includes two bag clamping jaw side plates arranged parallel to each other, and each of the clamping jaw side plates is fixedly connected to the lower mounting rod of the upper bag swing arm through a tightening hoop.

[0008] As a further improvement of the utility model, the driving component adopts a bag clamping cylinder, the piston rod end of the bag clamping cylinder is rotatably connected to a gear swing arm, and the gear swing arm drives the driving gear to rotate synchronously.

[0009] As a further improvement of the utility model, the gear swing arm, the driving gear and the front bag clamping claw are sequentially mounted on the driving shaft and rotate synchronously with the driving shaft; the axial ends of the driving shaft are rotatably supported on the clamping claw mounting seat;

[0010] The rear bag clamping claw and the driven gear are installed on the driven shaft and rotate synchronously with the driven shaft. The axial ends of the driven shaft are rotatably supported on the clamping claw mounting seat.

[0011] As a further improvement of the present invention, the outer side of each bag clamping claw side plate is integrally connected to two ear plates, the tight hoop is straddled on the lower mounting rod of the upper bag swing arm, and the two connecting ends of the tight hoop are respectively connected to the ear plate tight hoop of the corresponding bag clamping claw side plate.

[0012] As a further improvement of the utility model, the tail end of the bag clamping cylinder is hinged between two corresponding bag clamping claw side plates.

[0013] As a further improvement of the utility model, the upper bag swing arm includes an upper swing rod, a middle connecting rod and a lower mounting rod. The upper swing rod and the lower mounting rod are arranged parallel to each other, and the two ends of the middle connecting rod are fixedly connected to the upper swing rod and the lower mounting rod respectively.

[0014] As a further improvement of the present invention, the middle connecting rod includes a middle lower connecting rod and a middle upper connecting rod, an obtuse angle is formed between the middle lower connecting rod and the middle upper connecting rod, and the lower end of the middle lower connecting rod is fixedly connected to the lower mounting rod, and the upper end of the middle upper connecting rod is fixedly connected to the upper rocker rod.

[0015] The technical effect of the utility model is that the structure of the utility model product is reasonable and ingenious. When working, the front bag clamping claw cooperates with the rear bag clamping claw to achieve reliable clamping of the bag; at the same time, the specially designed bag upper swing arm can effectively reduce the swing angle of the bag upper mechanism when working, thereby effectively saving energy. The utility model product can clamp the bag efficiently and quickly, and can accurately deliver the bag; the work is reliable and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 for Figure 1 Schematic diagram of the structure after removing one of the bag clamping claw side panels. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0019] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. The described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0020] Figure 1 , 2 It includes an upper bag swing arm 1, an upper swing rod 1-1, a middle connecting rod 1-2, a lower connecting rod 1-21, a middle upper connecting rod 1-22, a lower mounting rod 1-3, a tightening hoop 2, a bag clamping claw side plate 3, a gear swing arm 4, a front bag clamping claw 5, a rear bag clamping claw 6, a driving gear 7, a driven gear 8, a bag clamping cylinder 9, etc.

[0021] like Figure 1 , 2 As shown, the utility model is a bag loading mechanism, comprising a bag loading swing arm 1, the upper portion of the bag loading swing arm 1 is rotatably connected to a frame, and a group of clamping claw assemblies are respectively installed at both ends of a lower mounting rod of the bag loading swing arm 1.

[0022] The clamping jaw assembly includes a clamping jaw mounting seat, on which a driving gear 7 and a driven gear 8 are rotatably arranged. The driving gear 7 is meshed with the driven gear 8. The driving gear 7 drives the front bag clamping jaw 5 to rotate synchronously, and the driven gear 8 drives the rear bag clamping jaw 6 to rotate synchronously. The front bag clamping jaw 5 and the rear bag clamping jaw 6 cooperate with each other to achieve the clamping of the bag.

[0023] The driving gear 7 is driven by a driving component installed on the clamping jaw mounting seat.

[0024] The clamping jaw mounting seat comprises two bag clamping jaw side plates 3 which are arranged parallel to each other, and each of the clamping jaw side plates 3 is fixedly connected to the lower mounting rod of the upper bag swing arm 1 through a tightening hoop 2.

[0025] The driving component adopts a bag clamping cylinder 9, and the piston rod end of the bag clamping cylinder 9 is rotatably connected to the gear swing arm 4, and the gear swing arm 4 drives the driving gear 7 to rotate synchronously.

[0026] The gear swing arm 4, the driving gear 7 and the front bag clamping claw 5 are sequentially mounted on the driving shaft and rotate synchronously with the driving shaft; the axial ends of the driving shaft are rotatably supported on the clamping claw mounting seat.

[0027] The rear bag clamping claw 6 and the driven gear 8 are installed on the driven shaft and rotate synchronously with the driven shaft. The axial ends of the driven shaft are rotatably supported on the clamping claw mounting seat.

[0028] The outer side of each bag clamping claw side plate 3 is integrally connected with two ear plates, the tight hoop 2 is straddled on the lower mounting rod of the upper bag swing arm 1, and the two connecting ends of the tight hoop 2 are respectively connected to the ear plate tight hoop of the corresponding bag clamping claw side plate 3.

[0029] The tail end of the bag clamping cylinder 9 is hinged between two corresponding bag clamping claw side plates 3.

[0030] The upper bag swing arm 1 includes an upper swing rod 1-1, a middle connecting rod 1-2 and a lower mounting rod 1-3. The upper swing rod 1-1 and the lower mounting rod 1-3 are arranged parallel to each other, and the two ends of the middle connecting rod 1-2 are fixedly connected to the upper swing rod 1-1 and the lower mounting rod 1-3 respectively.

[0031] The middle connecting rod 1-2 includes a middle lower connecting rod 1-21 and a middle upper connecting rod 1-22. An obtuse angle is formed between the middle lower connecting rod 1-21 and the middle upper connecting rod 1-22, and the lower end of the middle lower connecting rod 1-21 is fixedly connected to the lower mounting rod 1-3, and the upper end of the middle upper connecting rod 1-22 is fixedly connected to the upper rocker rod 1-1. It can be understood that the upper rocker rod 1-1 is a round rod, and the diameter of the bearing mounting seats at the axial ends of the round rod is smaller than the diameter of the middle part of the rod body.

[0032] like Figure 1 , 2 As shown, when the utility model is working, it is installed on the frame, the upper swing rod 1-1 is rotatably arranged on the frame through the bearing, and the driving structure installed on the frame drives the upper bag swing arm 1 to swing, before the upper bag swing arm 9 swings to deliver the bag; the bag clamping cylinder 9 drives the front bag clamping claw 5 through the gear swing arm 4 and the driving gear 7, and the driving gear 7 drives the driven gear 8 to rotate synchronously during the rotation process, thereby driving the rear bag clamping claw 6 to cooperate with the front bag clamping claw 5 to achieve the purpose of clamping the bag. It can be understood that in order to achieve reliable bag clamping, rubber pads are respectively arranged at the working ends of the front bag clamping claw 5 and the rear bag clamping claw 6 to increase the roughness, so as to reliably clamp the bag.

[0033] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A bag loading mechanism, characterized in that: It comprises an upper bag swing arm (1), the upper part of which is rotatably connected to the frame, and a group of clamping claw assemblies are respectively installed at both ends of the lower mounting rod of the upper bag swing arm (1); The clamping jaw assembly comprises a clamping jaw mounting seat, on which a driving gear (7) and a driven gear (8) are rotatably arranged, the driving gear (7) meshing with the driven gear (8), the driving gear (7) driving the front bag clamping jaw (5) to rotate synchronously, the driven gear (8) driving the rear bag clamping jaw (6) to rotate synchronously, the front bag clamping jaw (5) and the rear bag clamping jaw (6) cooperate with each other to achieve the purpose of clamping the bag; The driving gear (7) is driven to operate by a driving component mounted on the clamping jaw mounting seat.

2. The bag loading mechanism according to claim 1, characterized in that: The clamping jaw mounting seat comprises two bag clamping jaw side plates (3) arranged parallel to each other, and each bag clamping jaw side plate (3) is fixedly connected to the lower mounting rod of the upper bag swing arm (1) via a tightening hoop (2).

3. The bag loading mechanism according to claim 2, characterized in that: The driving component is a bag clamping cylinder (9), the piston rod end of the bag clamping cylinder (9) is rotatably connected to a gear swing arm (4), and the gear swing arm (4) drives the driving gear (7) to rotate synchronously.

4. The bag loading mechanism according to claim 3, characterized in that: The gear swing arm (4), the driving gear (7) and the front bag clamping claw (5) are sequentially mounted on the driving shaft and rotate synchronously with the driving shaft; the axial ends of the driving shaft are rotatably supported on the clamping claw mounting seat; The rear bag clamping claw (6) and the driven gear (8) are mounted on the driven shaft and rotate synchronously with the driven shaft. The axial ends of the driven shaft are rotatably supported on the clamping claw mounting seat.

5. The bag loading mechanism according to claim 3, characterized in that: The outer side of each bag clamping claw side plate (3) is integrally connected to two ear plates, the tightening hoop (2) is straddled on the lower mounting rod of the upper bag swing arm (1), and the two connecting ends of the tightening hoop (2) are respectively connected to the ear plate tightening hoop of the corresponding bag clamping claw side plate (3).

6. The bag loading mechanism according to claim 3, characterized in that: The tail end of the bag clamping cylinder (9) is hinged between two corresponding bag clamping claw side plates (3).

7. The bag loading mechanism according to claim 1, characterized in that: The upper bag swing arm (1) comprises an upper swing rod (1-1), a middle connecting rod (1-2) and a lower mounting rod (1-3); the upper swing rod (1-1) and the lower mounting rod (1-3) are arranged parallel to each other, and the two ends of the middle connecting rod (1-2) are fixedly connected to the upper swing rod (1-1) and the lower mounting rod (1-3) respectively.

8. The bag loading mechanism according to claim 7, characterized in that: The middle connecting rod (1-2) comprises a middle lower connecting rod (1-21) and a middle upper connecting rod (1-22); an obtuse angle is formed between the middle lower connecting rod (1-21) and the middle upper connecting rod (1-22); the lower end of the middle lower connecting rod (1-21) is fixedly connected to the lower mounting rod (1-3); and the upper end of the middle upper connecting rod (1-22) is fixedly connected to the upper swing rod (1-1).

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